code: def tolist(self):
      if len(self.list) == 1:
          return self.list[0]
      else:
          return self.list
  
imports: from collections.abc import Sequence
  from typing import List, Union
  import numpy
  import torch
  from sahi.annotation import BoundingBox, Category, Mask
  from sahi.prediction import ObjectPrediction
label_desc: Use image node_id 9 for calling the ObjectPredictionList obj's underlying member method code with example usage: obj.tolist() and returns: self, self